ᅏٷݣഗ AD8221 ༬Ⴀ থ –IN 1 8 +VS RG 2 7 VOUT RG 3 6 REF +IN 4 AD8221 5 –VS TOP VIEW 03149-001 ᅟᇀ๑ᆩ ֑ᆩবูक़ڦMSOPހጎ ሺᅮཚࡗ1߲ྔևۉፆยዃ(ሺᅮྷݔǖ11000) ۉᇸۉუྷݔǖ±2.3 V±18 V ۨܮ࿒ྷݔ܈ǖ ā−40°C+85°C ߾ፕ࿒܈ፌߛٳ125°C1 ڦୁ༬Ⴀ āCMRRǖ80 dB(ፌၭኵ,10 kHzLjG = 1) ā−3 dBټǖ825 kHz (G = 1) āუӦ୲ǖ2 V/μs گሯำ āۉუሯำǖ8 nV/√Hz (ፌٷኵLj1 kHz) ā0.25 μVރރኵሯำ(0.1 Hz10 Hz) ߛ܈ୁႠీ(AD8221BR) āCMRRǖ90 dB (ፌၭኵ,G = 1) ā฿ۙۉუǖ25 μV(ፌٷኵ) ā฿ۙᅎǖ0.3 μV/°C(ፌٷኵ) āೋዃୁۉǖ0.4 nA(ፌٷኵ) 1 120 110 AD8221 CMRR (dB) 100 90 COMPETITOR 1 80 70 60 COMPETITOR 2 50 40 ۉጱ ߾ᄽࡗײ੦ ൃ๕ٷݣഗ ຕ֑णဣཥ ᅅଐᅏഗ ᆌՎऺ ߌدഗথ੨ ߁ຎ AD8221ᅃሺᅮՊײĂߛႠీᅏٷݣഗLjሞᄽহ ཞૌׂዐLjഄ၎ܔᇀೕ୲ࠌڦఇᅞԲ(CMRR)ፌߛă ৃړׇฉᅏٷݣഗڦCMRRሞ200 Hzਸ๔ူইăᇑኮ၎ ԲLjሞG = 1้LjAD8221ᆶڪपׂڦፌگCMRRྺ80 dB ժ10 kHză၎ܔᇀೕ୲ࠌߛڦఇᅞԲ(CMRR)๑ڥ AD8221ᅜᅞ߅ټඡࢅ၍ୟၿհLjܸٗٷٷ०ࣅܔ ୳հഗڦᄲ൱ăీڦᆌᆩԈઔຕ֑णĂิᅅბ ݴဆࢅࡵࡵཀᅏഗă 10 100 1k 10k FREQUENCY (Hz) 100k 03149-002 ᆌᆩ 2. ۆ႙CMRRᇑೕ୲࠲ڦဣ(G = 1) ۉگუ฿ۙĂگ฿ۙᅎĂگሺᅮᅎĂߛሺᅮߛࢅ܈ ࠌఇᅞԲ༬ႠLj๑ኄഗॲྺׯᄲ൱ਏԢፌॅୁႠీ ᆌᆩ)සൃ๕႑ࡽۙ*ڦਨॅስă Պײሺᅮྺᆩࢽ༵ࠃยऺଳऄႠăཚࡗڇᅃۉፆLjሞ 1ڟ1000ాྷݔยዃሺᅮăAD8221ᅜ֑ᆩۉڇᇸईມۉ ᇸࠃۉLj༬՚ࢇۉუྺ±10 Vڦᆌᆩă ഗॲ֑ᆩׯگԨڦ8ᆅগSOICࢅMSOPଇዖހጎLj ీ༵ࠃᄽহፌॅႠీăMSOPኻႴSOICᅃӷۉڦୟӱ क़Ljᅺُݥࢇܠཚڢईक़၌ڦᆌᆩă ഗॲᆶڪपۨܮڦ࿒ྷݔ܈ྺ−40°C+85°C߾ᄽ࿒ ྷݔ܈ăُྔLjAD8221ᄺీሞ−40°C+125°C1߾ాྷݔ ፕă 1 ൩֖ሞ96°C236°C߾ాྷݔፕۆڦ႙༬Ⴀ൸၍ă Rev. B Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2003–2007 Analog Devices, Inc. All rights reserved. ADIዐ࿔Ӳຕ֩ᆈ࿔Ӳຕ֩ڦᅳ࿔Lj൩ଌᅳዐీ٪ሞڦᇕჾፇኯईᅳٱဃLjADIփܔᅳዐ٪ሞֶڦᅴईᆯׂُิٱڦဃሴăසႴඓණඪࢆَᇕڦጚඓႠLj൩֖ADI ༵ࠃڦፌႎᆈ࿔Ӳຕ֩ă AD8221 ణ!!!! ༬Ⴀ ............................................................................................ 1 āքਆ!...................................................................................... 17 ᆌᆩ!........................................................................................... 1 āएጚ܋ጱ!.............................................................................. 18 ߁ຎ!........................................................................................... 1 āۉᇸۙኝᇑಖୟ!................................................................... 18 থ!........................................................................................ 1 āೋዃ࣮ୁۉୟ!............................................................... 18 Ⴊ۩૦๏!................................................................................... 2 āԍࢺ!.............................................................................. 18 रຍࡀ߭!................................................................................... 3 āพೕ)SG*߅ඡ!...................................................................... 19 ਨܔፌۨܮٷኵ!........................................................................ 8 āᆌՎऺ!.......................................................................... 19 āඤ༬Ⴀ!................................................................................... 8 āኍܔ,6!WֶݴBEDڦĠ21!W႑ࡽۙ! ............ 19 ESDয়ߢ!................................................................................ 8 āୁ᳘ࢇᅏٷݣഗ!........................................................... 20 ۆ႙߾ፕ༬Ⴀ!............................................................................ 9 ྔႚ٫!.................................................................................. 21 ߾ፕᇱ! ................................................................................. 16 ā۩ࠔኸళ!.............................................................................. 22 āሺᅮስ! ............................................................................. 17 Ⴊ۩૦๏ 20079ሆ—Ⴊ۩ӲAႪ۩ӲB Ⴊ߀“༬Ⴀ”և ݴ......................................................................... 1 Ⴊ߀1քਆ .............................................................................. 3 Ⴊ߀2քਆ .............................................................................. 5 Ⴊ߀15 .................................................................................. 11 Ⴊ߀32 .................................................................................. 13 Ⴊ߀33Ă34ࢅ35 ........................................................... 14 ߸ႎ“ྔႚ٫”և ݴ............................................................... 21 Ⴊ߀“۩ࠔኸళ”և ݴ............................................................... 22 200311ሆ—Ⴊ۩Ӳ0Ⴊ۩ӲA Ⴊ߀“༬Ⴀ”և ݴ......................................................................... 1 Ⴊ߀“रຍࡀ߭”և ݴ................................................................. 4 Ⴊ߀“߾ፕᇱ”և ݴ............................................................... 13 Ⴊ߀“ሺᅮስ”և ݴ............................................................... 14 200310ሆ—Ⴊ۩Ӳ0ǖ؛๔Ӳ Rev. B | Page 2 of 24 AD8221 रຍࡀ߭ VS = ±15 VLjVREF = 0 VLjTA = 25°CLjG = 1LjRL = 2 kΩLj༬՚ำྔأă 1 ֖ຕ ࠌఇᅞԲ ࠌఇᅞԲLjDC60 HzLj 1 kΩݥ࢚႑ࡽᇸ G=1 G = 10 G = 100 G = 1000 ࠌఇᅞԲCMRR(10 kHz) G=1 G = 10 G = 100 G = 1000 ሯำ ۉუሯำLj1 kHz ۉუሯำLjeNI ۉუሯำLjeNO RTI G=1 G = 10 G = 1001000 ୁۉሯำ ฿ۙۉუ1 ฿ۙLjVOSI ඇ࿒ྷݔ܈ ೝ࿒܈ဣຕ(TC) ฿ۙLjVOSO ඇ࿒ྷݔ܈ ೝ࿒܈ဣຕ(TC) ችࢇڟڦ܋฿ۙᇑۉᇸ࠲ڦဣ(PSR) G=1 G = 10 G = 100 G = 1000 ୁۉ ೋዃୁۉ ඇ࿒ྷݔ܈ ೝ࿒܈ဣຕ(TC) ฿ۙୁۉ ඇ࿒ྷݔ܈ ೝ࿒܈ဣຕ(TC) एጚ RIN IIN ۉუྷݔ ሺᅮ ཉॲ ፌၭኵ ARप ۆ႙ኵ! ፌٷኵ ፌၭኵ! BRप ۆ႙ኵ ፌٷኵ ڇ࿋ VCM = −10 V+10 V 80 100 120 130 90 110 130 140 dB dB dB dB 80 90 100 100 80 100 110 110 dB dB dB dB VCM = −10 V+10 V ችࢇڟ܋ሯำ =√eNI2 + (eNO/G)2 8 75 VIN+, VIN−, VREF=0 8 75 nV/√Hz nV/√Hz f = 0.1 Hz10 Hz 2 0.5 0.25 40 6 f = 1 kHz f = 0.1 Hz10 Hz 2 0.5 0.25 40 6 60 86 0.4 300 0.66 6 VS = ±5 V±15 V T = −40°C+85°C VS = ±5 V±15 V T = −40°C+85°C μV p-p μV p-p μV p-p fA/√Hz pA p-p 25 45 0.3 200 0.45 5 μV μV μV/°C μV mV μV/°C VS = ±2.3 V±18 V 90 110 124 130 110 120 130 140 0.5 T = −40°C+85°C 1 0.2 T = −40°C+85°C VIN+, VIN−, VREF = 0 –VS Rev. B | Page 3 of 24 94 114 130 140 1.5 2.0 110 130 140 150 0.2 1 0.1 0.6 0.8 1 1 20 50 20 50 60 +VS 1 ± 0.0001 –VS dB dB dB dB 0.4 1 0.4 0.6 60 +VS 1 ± 0.0001 nA nA pA/°C nA nA pA/°C kΩ μA V V/V AD8221 ֖ຕ ۉᇸ ߾ፕۉუྷݔ ৢༀୁۉ ඇ࿒ྷݔ܈ ۯༀၚᆌ ၭ႑ࡽ-3 dBټ G=1 G = 10 G = 100 G = 1000 0.01%ॺ૬้क़ G = 1100 G = 1000 0.001%ॺ૬้क़ G = 1100 G = 1000 უӦ୲ ሺᅮ ሺᅮྷݔ ሺᅮဃֶ G=1 G = 10 G = 100 G = 1000 ሺᅮݥ၍Ⴀ܈ G = 1 to 10 G = 100 G = 1000 G = 1 to 100 ሺᅮᇑ࿒࠲ڦ܈ဣ G=1 G > 12 ፆੇ ֶݴ ࠌఇ 3 ߾ፕۉუྷݔ ඇ࿒ྷݔ܈ ߾ፕۉუྷݔ ඇ࿒ྷݔ܈ Ӧޗ ඇ࿒ྷݔ܈ Ӧޗ ඇ࿒ྷݔ܈ ܌ୟୁۉ ཉॲ ፌၭኵ VS = ±2.3 V±18 V ±2.3 ARप ۆ႙ኵ! ፌٷኵ 0.9 1 T = −40°C+85°C ±18 1 1.2 ፌၭኵ! BRप ۆ႙ኵ ፌٷኵ ±2.3 0.9 1 ±18 1 1.2 ڇ࿋ V mA mA 825 562 100 14.7 825 562 100 14.7 kHz kHz kHz kHz 10 80 10 80 μs μs 13 110 2 2.5 13 110 2 2.5 μs μs V/μs V/μs 10 Vօ 10 Vօ G=1 1.5 G = 5100 2 G = 1 + (49.4 kΩ/RG) 1 VOUT ± 10 V 1.5 2 1000 1 0.03 0.3 0.3 0.3 VOUT =−10 V+10 V RL = 10 kΩ RL = 10 kΩ RL = 10 kΩ RL = 2 kΩ V/V 0.02 0.15 0.15 0.15 % % % % 3 5 10 10 10 15 40 95 3 5 10 10 10 15 40 95 ppm ppm ppm ppm 3 10 –50 2 5 –50 ppm/°C ppm/°C 100||2 100||2 VS = ±2.3 V±5 V T = −40°C+85°C VS = ±5 V±18 V T =−40°C+85°C RL = 10 kΩ VS = ±2.3 V±5 V T = −40°C+85°C VS = ±5 V±18 V T = –40°C+85°C 1000 100||2 100||2 –VS + 1.9 –VS + 2.0 –VS + 1.9 –VS + 2.0 +VS − 1.1 +VS − 1.2 +VS − 1.2 +VS − 1.2 –VS + 1.9 –VS + 2.0 –VS + 1.9 –VS + 2.0 +VS − 1.1 +VS − 1.2 +VS − 1.2 +VS − 1.2 –VS + 1.1 –VS + 1.4 –VS + 1.2 –VS + 1.6 +VS − 1.2 +Vs − 1.3 +VS − 1.4 +VS − 1.5 –VS + 1.1 –VS + 1.4 –VS + 1.2 –VS + 1.6 +VS − 1.2 +VS − 1.3 +VS − 1.4 +VS − 1.5 18 Rev. B | Page 4 of 24 18 GΩ||pF GΩ||pF V V V V V V V V mA AD8221 ֖ຕ ࿒ྷݔ܈ ۨܮ࿒܈ 4 ߾ፕྷݔ ཉॲ ፌၭኵ ARप ۆ႙ኵ! ፌٷኵ –40 –40 +85 +125 ፌၭኵ! BRप ۆ႙ኵ ፌٷኵ –40 –40 +85 +125 ڇ࿋ °C °C 1 ችࢇڟ(܋RTI)ጺ฿ۙۉუVOS = (VOSI) + (VOSO/G)ă փԈઔྔևۉፆRGڦᆖၚă ᅃୟথںăG = 1ă 4 ൩֖ሞ85°C125°C߾ాྷݔፕۆڦ႙߾ፕ༬Ⴀă 2 3 2 ֖ຕ ࠌఇᅞԲ(CMRR) ࠌఇᅞԲLjDC60 HzLj1 kΩݥ࢚႑ࡽᇸ G=1 G = 10 G = 100 G = 1000 ࠌఇᅞԲ(10 kHz) G=1 G = 10 G = 100 G = 1000 ሯำ ۉუሯำLj1 kHz ۉუሯำLjeNI ۉუሯำLjeNO RTI G=1 G = 10 G = 1001000 ୁۉሯำ ฿ۙۉუ1 ฿ۙLjVOSI ඇ࿒ྷݔ܈ ೝ࿒܈ဣຕ(TC) ฿ۙLjVOSO ඇ࿒ྷݔ܈ ೝ࿒܈ဣຕ(TC) ችࢇڟڦ܋฿ۙᇑۉᇸ࠲ڦဣ(PSR) G=1 G = 10 G = 100 G = 1000 ୁۉ ೋዃୁۉ ඇ࿒ྷݔ܈ ೝ࿒܈ဣຕ(TC) ฿ۙୁۉ ඇ࿒ྷݔ܈ ೝ࿒܈ဣຕ(TC) ཉॲ ፌၭኵ ARMप ۆ႙ኵ ፌٷኵ ڇ࿋ VCM = −10 V+10 V 80 100 120 130 dB dB dB dB 80 90 100 100 dB dB dB dB VCM = –10 V+10 V ችࢇڟ܋ሯำ = √eNI2 + (eNO/G)2 8 75 VIN+, VIN−, VREF= 0 nV/√Hz nV/√Hz f = 0.1 Hz10 Hz 2 0.5 0.25 40 6 f = 1 kHz f = 0.1 Hz10 Hz μV p-p μV p-p μV p-p fA/√Hz pA p-p 70 135 0.9 600 1.00 9 VS = ±5 V±15 V T = −40°C+85°C VS = ±5 V±15 V T = −40°C+85°C μV μV μV/°C μV mV μV/°C VS = ±2.3 V±18 V 90 100 120 120 100 120 140 140 0.5 T = −40°C+85°C 3 0.3 T = −40°C+85°C 3 Rev. B | Page 5 of 24 dB dB dB dB 2 3 1 1.5 nA nA pA/°C nA nA pA/°C AD8221 ֖ຕ एጚ RIN IIN ۉუྷݔ ሺᅮ ۉᇸ ߾ፕۉუྷݔ ৢༀୁۉ ඇ࿒ྷݔ܈ ۯༀၚᆌ ၭ႑ࡽ-3 dBټ G=1 G = 10 G = 100 G = 1000 0.01%ॺ૬้क़ G = 1100 G = 1000 0.001%ॺ૬้क़ G = 1100 G = 1000 უӦ୲ ሺᅮ ሺᅮྷݔ ሺᅮဃֶ G=1 G = 10 G = 100 G = 1000 ሺᅮݥ၍Ⴀ܈ G = 110 G = 100 G = 1000 G = 1100 ሺᅮᇑ࿒࠲ڦ܈ဣ G=1 G > 12 ፆੇ ֶݴ ࠌఇ 3 ߾ፕۉუྷݔ ඇ࿒ྷݔ܈ ߾ፕۉუྷݔ ඇ࿒ྷݔ܈ Ӧޗ ඇ࿒ྷݔ܈ Ӧޗ ඇ࿒ྷݔ܈ ܌ୟୁۉ ཉॲ ፌၭኵ ARMप ۆ႙ኵ 20 50 VIN+, VIN−, VREF = 0 −VS ፌٷኵ ڇ࿋ 60 +VS kΩ μA V V/V ±18 1 1.2 V mA mA 1 ± 0.0001 VS = ±2.3 V±18 V ±2.3 0.9 1 T = −40°C+85°C 825 562 100 14.7 kHz kHz kHz kHz 10 80 μs μs 13 110 2 2.5 μs μs V/μs V/μs 10 Vօ 10 Vօ G=1 G = 5100 G = 1 + (49.4 kΩ/RG) 1.5 2 1 1000 V/V 0.1 0.3 0.3 0.3 % % % % 5 7 10 15 15 20 50 100 ppm ppm ppm ppm 3 10 –50 ppm/°C ppm/°C VOUT ± 10 V VOUT = −10 V+10 V R L= 10 kΩ R L= 10 kΩ R L= 10 kΩ R L= 2 kΩ 100||2 100||2 VS = ±2.3 V±5 V T = −40°C+85°C VS = ±5 V±18 V T = −40°C+85°C R L= 10 kΩ VS = ±2.3 V±5 V T = −40°C+85°C VS = ±5 V±18 V T = −40°C+85°C –VS + 1.9 –VS + 2.0 –VS + 1.9 –VS + 2.0 +VS − 1.1 +VS − 1.2 +VS − 1.2 +VS − 1.2 –VS + 1.1 –VS + 1.4 –VS + 1.2 –VS + 1.6 +VS − 1.2 +VS − 1.3 +VS − 1.4 +VS − 1.5 18 Rev. B | Page 6 of 24 GΩ/pF GΩ/pF V V V V V V V V mA AD8221 ֖ຕ ࿒ྷݔ܈ ۨܮ࿒܈ 4 ߾ፕྷݔ ཉॲ ፌၭኵ −40 −40 1 ችࢇڟ(܋RTI)ጺ฿ۙۉუVOS = (VOSI) + (VOSO/G)ă փԈઔྔևۉፆRGڦᆖၚă 3 ᅃୟথںăG = 1ă 4 ൩֖ሞ85°C125°C߾ాྷݔፕۆڦ႙߾ፕ༬Ⴀă 2 Rev. B | Page 7 of 24 ARMप ۆ႙ኵ ፌٷኵ ڇ࿋ +85 +125 °C °C AD8221 ਨܔፌۨܮٷኵ 3 ֖ຕ ۉᇸۉუ ాևࠀࡼ ܌ୟୁۉ ۉუ(ࠌఇ) ֶݴۉუ ٪ئ࿒ྷݔ܈ 1 ߾ፕ࿒ྷݔ܈ 1 ጀᅪLjגᅜฉଚڦਨܔፌۨܮٷኵీڞዂഗॲᆦ৳ Ⴀ࣋ăኄኻഽۙۨܮڦኵLjփภतഗॲሞኄၵईඪࢆ ഄཉॲူגԨरຍࡀ߭ኸՔీࠀڦႠ֡ፕăሞਨ ܔፌۨܮٷኵཉॲူ߾ፕࣷᆖၚഗॲڦ੍Ⴀă ۨܮኵ ±18 V 200 mW ࿄ۨ ±VS ±VS −65°C+150°C −40°C+125°C ඤ༬Ⴀ ኍܔഘዐڦഗॲܸჾă ۨܮ࿒ྺྷݔ܈-40°C+85°Că൩֖ሞ85°C125°C߾ాྷݔፕۆڦ ႙߾ፕ༬Ⴀă 4 ހጎ 8ᆅগSOICLj4֫JEDECۉୟӱ 8ᆅগMSOPLj4֫JEDECۉୟӱ θJA 121 135 ڇ࿋ °C/W °C/W ESDয়ߢ ESD)ৢߌ௺*ۉݣۉᇮॲă؊ۉഗॲࢅۉୟӱሞுᆶ ִਥڦ൧ူీۉݣă࠶ኄၵׂਏᆶጆ૧ڦई ጆᆩڦԍࢺۉୟLjሞᇜీߛڟଉESD้ీ݀ิഗॲ ڦ࣋ăᅺُLjڦړESDᇨয়Ն௨ഗॲႠీڦ३ ཽईࠀీෟ฿ă Rev. B | Page 8 of 24 AD8221 ۆ႙߾ፕ༬Ⴀ T = 25°CLjVS = ±15 VLjRL = 10 kΩă༬՚ำྔأă 1600 3500 1400 3000 1200 2500 2000 UNITS UNITS 1000 800 1500 600 1000 400 –100 –50 0 50 100 150 CMR (μV/V) 0 –0.9 03149-003 0.6 0.9 1500 1200 900 600 –40 –20 0 20 40 60 INPUT OFFSET VOLTAGE (μV) VS = ±15V 5 0 VS = ±5V –5 –10 –15 –15 03149-004 300 10 –10 –5 0 5 10 15 OUTPUT VOLTAGE (V) 4. ฿ۙۉუۆڦ႙ݴք 03149-007 INPUT COMMON-MODE VOLTAGE (V) 1800 UNITS 0.3 15 2100 7. ࠌఇۉუྷݔᇑۉუ࠲ڦဣ(G = 1) 15 INPUT COMMON-MODE VOLTAGE (V) 3000 2500 2000 1500 1000 500 –1.0 –0.5 0 0.5 1.0 INPUT BIAS CURRENT (nA) 1.5 10 VS = ±15V 5 0 VS = ±5V –5 –10 –15 –15 03149-005 UNITS 0 6. ฿ۙۆڦୁۉ႙ݴք 2400 0 –1.5 –0.3 INPUT OFFSET CURRENT (nA) 3. CMRۆ႙ݴք(G = 1) 0 –60 –0.6 –10 –5 0 5 10 15 OUTPUT VOLTAGE (V) 5. ೋዃۆڦୁۉ႙ݴք 8. ࠌఇۉྷݔუᇑۉუ࠲ڦဣDŽG = 100Dž Rev. B | Page 9 of 24 03149-008 0 –150 03149-006 500 200 AD8221 0.80 180 0.75 160 0.70 140 0.60 VS = ±5V 0.55 120 GAIN = 10 100 GAIN = 1 60 0.45 40 –10 –5 0 5 10 15 COMMON-MODE VOLTAGE (V) 20 0.1 1 10 100 1k 10k 100k 1M FREQUENCY (Hz) 9. IBIAS ᇑCMV࠲ڦဣ 12. ኟPSRRᇑೕ୲࠲ڦဣLjRTI (G = 11000) 2.00 180 1.75 160 1.50 140 1.25 1.00 0.75 GAIN = 100 120 GAIN = 10 100 GAIN = 1 80 0.50 60 0.25 40 0 0.01 0.1 1 10 WARM-UP TIME (min) 20 0.1 10 100 1k 10k 100k 1M FREQUENCY (Hz) 10. ฿ۙۉუՎࣅᇑᇨԢ้क़࠲ڦဣ 5 1 03149-013 NEGATIVE PSRR (dB) GAIN = 1000 03149-010 CHANGE IN INPUT OFFSET VOLTAGE (μV) GAIN = 1000 80 0.50 0.40 –15 GAIN = 100 03149-012 POSITIVE PSRR (dB) VS = ±15V 0.65 03149-009 INPUT BIAS CURRENT (nA) GAIN = 1000 13. PSRRᇑೕ୲࠲ڦဣLjRTI (G = 11000) 100k VS = ±15V TOTAL DRIFT 25°C – 85°C RTI (μV) 4 2 1 INPUT BIAS CURRENT –1 –2 –3 10k BEST AVAILABLE FET INPUT IN-AMP GAIN = 1 1k BEST AVAILABLE FET INPUT IN-AMP GAIN = 1000 AD8221 GAIN = 1 100 –4 –5 –40 AD8221 GAIN = 1000 –20 0 20 40 60 80 100 120 TEMPERATURE (°C) 140 11. ೋዃࢅୁۉ฿ۙୁۉᇑ࿒࠲ڦ܈ဣ 10 10 100 1k 10k 100k 1M SOURCE RESISTANCE (Ω) 14. ጺᅎᇑ႑ࡽᇸۉፆ࠲ڦဣ Rev. B | Page 10 of 24 10M 03149-014 0 INPUT OFFSET CURRENT 03149-011 INPUT CURRENT (nA) 3 AD8221 70 100 GAIN = 1000 80 60 60 50 GAIN = 100 40 CMR (μV/V) 40 GAIN = 10 20 10 GAIN = 1 0 20 0 –20 –40 –60 –10 –80 –20 1k 10k 100k 1M 10M FREQUENCY (Hz) –100 –40 03149-015 –30 100 –20 CMRR (dB) 120 40 60 80 100 120 140 18. CMRᇑ࿒࠲ڦ܈ဣ +VS GAIN = 1000 –0 –0.4 INPUT VOLTAGE LIMIT (V) REFERRED TO SUPPLY VOLTAGES 140 20 TEMPERATURE (°C) 15. ሺᅮᇑೕ୲࠲ڦဣ 160 0 03149-018 GAIN (dB) 30 GAIN = 100 GAIN = 10 100 GAIN = 1 80 60 –0.8 –1.2 –1.6 –2.0 –2.4 +2.4 +2.0 +1.6 +1.2 +0.8 100 1k 10k 100k 1M FREQUENCY (Hz) +0 0 +VS GAIN = 1000 OUTPUT VOLTAGE SWING (V) REFERRED TO SUPPLY VOLTAGES GAIN = 1 80 60 –0 RL = 10kΩ –0.8 –1.2 RL = 2kΩ –1.6 –2.0 +2.0 +1.6 RL = 2kΩ +1.2 +0.8 RL = 10kΩ +0.4 40 0.1 1 10 100 1k 10k 100k 1M FREQUENCY (Hz) 03149-017 CMRR (dB) 100 20 –0.4 GAIN = 100 GAIN = 10 15 19. ۉუ၌ᇑۉᇸۉუ࠲ڦဣDŽG = 1Dž 160 120 10 SUPPLY VOLTAGE (±V) 16. CMRRᇑೕ୲࠲ڦဣ(RTI) 140 5 03149-019 10 –VS –VS 17. CMRRᇑೕ୲࠲ڦဣ(RTILj1 kΩݥ࢚႑ࡽᇸ) +0 0 5 10 15 SUPPLY VOLTAGE (±V) 20. ۉუӦޗᇑۉᇸۉუ࠲ڦဣDŽG = 1Dž Rev. B | Page 11 of 24 20 03149-020 1 03149-016 +0.4 40 0.1 AD8221 30 VS = ±15V 10 0 1 10 100 1k 10k LOAD RESISTANCE (Ω) –10 –8 –6 –4 –2 0 2 4 OUTPUT VOLTAGE (V) 6 8 10 03149-024 ERROR (10ppm/DIV) 20 03149-021 OUTPUT VOLTAGE SWING (V p-p) VS = ±15V 24. ሺᅮݥ၍Ⴀ(܈G = 100LjRL = 10 kΩ) 21. ۉუӦޗᇑሜۉፆ࠲ڦဣ +VS –0 VS = ±15V OUTPUT VOLTAGE SWING (V) REFERRED TO SUPPLY VOLTAGES –1 SOURCING ERROR (100ppm/DIV) –2 –3 +3 +2 SINKING 0 1 2 3 4 5 6 7 8 9 10 11 12 OUTPUT CURRENT (mA) –10 03149-022 –VS +0 –8 –6 –4 –2 0 2 4 OUTPUT VOLTAGE (V) 6 8 10 03149-025 +1 25. ሺᅮݥ၍Ⴀ)܈G = 1000LjRL = 10 kΩ* 22. ۉუӦޗᇑ࠲ڦୁۉဣ)G = 1* 1k ERROR (1ppm/DIV) VOLTAGE NOISE RTI (nV/ Hz) VS = ±15V GAIN = 1 100 GAIN = 10 GAIN = 100 10 GAIN = 1000 –8 –6 –4 –2 0 2 4 OUTPUT VOLTAGE (V) 6 8 10 1 03149-023 –10 1 10 100 1k 10k 100k FREQUENCY (Hz) 26. ۉუሯำ܈ᇑೕ୲࠲ڦဣ(G = 11000) 23. ሺᅮݥ၍Ⴀ)܈G = 1LjRL = 10 kΩ* Rev. B | Page 12 of 24 03149-026 GAIN = 1000 BW LIMIT 1s/DIV 03149-027 2μV/DIV 5pA/DIV 27. 0.1 Hz10 Hz RTIۉუሯำ(G = 1) 1s/DIV 03149-030 AD8221 30. 0.1 Hz10 Hzୁۉሯำ 30 VS = ±15V OUTPUT VOLTAGE (V p-p) 25 20 GAIN = 1 GAIN = 10, 100, 1000 15 10 1s/DIV 0 1k 10k 100k 1M FREQUENCY (Hz) 28. 0.1 Hz10 Hz RTIۉუሯำ(G = 1000) 03149-031 0.1μV/DIV 03149-028 5 31. ٷ႑ࡽೕ୲ၚᆌ 5V/DIV 100 10 1 10 100 1k FREQUENCY (Hz) 29. ୁۉሯำ܈ᇑೕ୲࠲ڦဣ 10k 7.9μs TO 0.01% 8.5μs TO 0.001% 20μs/DIV 03149-032 0.002%/DIV 03149-029 CURRENT NOISE (fA/ Hz) 1k 32. ٷ႑ࡽஞ؋ၚᆌᇑॺ૬้क़࠲ڦဣ(G = 1Lj0.002%/ਗ਼)܈ Rev. B | Page 13 of 24 AD8221 5V/DIV 0.002%/DIV 4.9μs TO 0.01% 5.6μs TO 0.001% 33. ٷ႑ࡽஞ؋ၚᆌᇑॺ૬้क़࠲ڦဣ(G = 10Lj0.002%/ਗ਼)܈ 4μs/DIV 03149-036 20μs/DIV 03149-033 20mV/DIV 36. ၭ႑ࡽၚᆌ(G = 1LjRL = 2 kΩLjCL = 100 pF) 5V/DIV 0.002%/DIV 10.3μs TO 0.01% 13.4μs TO 0.001% 4μs/DIV 34. ٷ႑ࡽஞ؋ၚᆌᇑॺ૬้क़࠲ڦဣ(G = 100Lj0.002%/ਗ਼)܈ 03149-037 20μs/DIV 03149-034 20mV/DIV 37. ၭ႑ࡽၚᆌ(G = 10LjRL = 2 kΩLjCL = 100 pF) 5V/DIV 0.002%/DIV 83μs TO 0.01% 112μs TO 0.001% 10μs/DIV 35. ٷ႑ࡽஞ؋ၚᆌᇑॺ૬้क़࠲ڦဣ(G = 1000Lj0.002%/ਗ਼)܈ Rev. B | Page 14 of 24 38. ၭ႑ࡽၚᆌ(G = 100LjRL = 2 kΩLjCL = 100 pF) 03149-038 200μs/DIV 03149-035 20mV/DIV AD8221 SETTLING TIME (μs) 1000 2 100 SETTLED TO 0.001% 10 03149-039 100μs/DIV 1 SETTLED TO 0.001% SETTLED TO 0.01% 5 5 10 15 20 03149-040 SETTLING TIME (μs) 10 OUTPUT VOLTAGE STEP SIZE (V) 100 1000 41. ॺ૬้क़ᇑሺᅮ࠲ڦဣ(օٷၭྺ10 V) 15 0 10 GAIN 39. ၭ႑ࡽၚᆌ(G = 1000LjRL = 2 kΩLjCL = 100 pF) 0 1 40. ॺ૬้क़ᇑօٷၭ࠲ڦဣ(G = 1) Rev. B | Page 15 of 24 03149-041 SETTLED TO 0.01% 20mV/DIV AD8221 ߾ፕᇱ VB I A1 IB COMPENSATION I A2 C1 IB COMPENSATION 10k Ω C2 +VS 10k Ω OUTPUT A3 10k Ω +VS –IN 400Ω Q1 R1 24.7kΩ +VS R2 +VS +VS 24.7k Ω 400Ω Q2 +VS +IN –VS REF 10kΩ RG –VS 03149-042 –VS –VS –VS –VS 42. ᇱ๖ᅪ AD8221֑ᆩSuperbetaৗ༹࠶ࢅIBցݛӄLjᅜਏᆶ टߛڦፆੇĂگIBĂگIBᅎĂگIOSĂگೋዃۉ ୁሯำࢅटۉڦگუሯำ(8 nV/√Hz)༬Ⴀă ᆯᇀٷݣഗ֑ᆩݒୁۉઍࠓLjᅺُAD8221ڦሺᅮױټओࣷໜሺᅮ༵ߛܸሺेLj๑ဣཥփডߛሺᅮ้ۉ უݒઍࠓ٪ሞټ฿ڦᆖၚă ྺକሞۉೝড้گධీྼߛ܈LjܔAD8221ႜ କ႐ยऺࢅքਆLj๑ഄႠీፁፌჹ߭ڦᆌᆩᄲ൱ă ܀༬ڦᆅগಇଚ๑AD8221ሞ10 kHz (G = 1)้ڦCMRRڟٳ 80 dBLjሞ1 kHz (G = 1000)้ڦCMMRڟٳ110 dBăස43 ๖ڦೝ࢚ᆅগಇଚLj३ၭࡗඁࣷ๑CMRRႠీܱࣅڦ सิၳᆌăُྔLjኄዖႎ๕ᆅগಇଚॽ၎࠲ጽ၍ፇኯሞᅃ ഐLj०ࣅକۉୟӱքਆă૩සLjሺᅮยዃۉፆᆅগᇑ ၎ତLjएጚᆅগሶҰጣă AD8221ࡧڿدڦຕྺǖ G = 1+ 49.4 kΩ RG –IN 1 8 +VS RG 2 7 VOUT RG 3 6 REF +IN 4 5 –VS AD8221 TOP VIEW 43. ᆅগಇଚ ᆩࢽᅜཚࡗᅃ߲Քጚۉፆൟܸඓںยዃሺᅮă Rev. B | Page 16 of 24 03149-043 AD8221ᅃڇႊೌᅏٷݣഗLj֑ᆩঢ়ڦۆෙሏݣྊ ೫ࠓยऺăৗ༹࠶Q1ࢅQ2ᅜࠦۨୁۉೋዃLjᅺُ ඪࢆֶݴ႑ࡽࣷۼ๑A1ࢅA2ڦۉუ݀ิ၎ᆌՎ ࣅă႑ࡽׂิୁۉཚࡗRGĂR1ࢅR2Lj๑ڥA1ࢅA2ڦ ኟඓۉڦუăٗྊ೫ᅪᅭฉຫLjQ1ĂA1ĂR1ᇑQ2Ă A2ĂR2ྺݒୁۉઍٷݣഗăঢ়ࡗݴֶڦٷݣ ࢅࠌఇ႑ࡽፕᆩᇀֶٷݣۯഗLjࢫኁᅞࠌఇۉუLjݣڍ ۉݴֶٷუăֶٷݣۯഗ֑ᆩظႎरຍLjํ၄گ ฿ۙۉუतگ฿ۙۉუᅎăघ࠼ۙኝۉፆ๑ኄᅏ ٷݣഗਏᆶߛڦ܈Ljۆ႙ሺᅮဃֶၭᇀ20 ppmLjCMRR ࡗג90 dB (G = 1)ă AD8221 ሺᅮስ! থں ॽᅃ߲ۉፆੵথሞRGᆅগฉLjनยዃAD8221ڦሺᅮLj ۉፆኵऺ໙֖5ई૧ᆩሺᅮࠅ๕ă AD8221ڦۉუ၎ܔᇀएጚᆅগฉۉڦ࿋ܸჾڦLjᆌ ጀᅪॽREF၎ᆌڦਆևথںă RG = 49.4 kΩ G −1 5. ᆩ1%ۉፆํ၄ڦሺᅮ 1%ՔጚRGኵ(Ω) 49.9 k 12.4 k 5.49 k 2.61 k 1.00 k 499 249 100 49.9 ऺ໙ڦڟڥሺᅮኵ 1.990 4.984 9.998 19.93 50.40 100.0 199.4 495.0 991.0 ሞंࢇ႑ࡽ࣍ৣዐLjۉگೝఇె႑ࡽႴᄲٗߛሯำຕጴ࣍ ৣዐ߰ઠăႹܠADCۼਏᆶڦ܀ڇఇెথںᆅগࢅຕ ጴথںᆅগăॽኄଇዖথںڇᅃথݛࣷ֫ں ՍLjڍୁঢ়থں၍ࢅPCӱୁۉڦీࣷᆅഐຕӥࡹڦޚ ဃֶăᅺُᆌ֑ᆩݴਸڦఇెࢅຕጴথ࣮ںୟLj๑௺ٗڥ ߌୁۅဣཥথୁۉڦںፌၭă44ࢅ45ଆࡻք၍๖ ૩ă փᆩሺᅮۉፆ้LjAD8221ఐණยዃG = 1ăሺᅮ܈ൽਦᇀ RGڦਨֶࠅܔăྔևሺᅮۉፆڦ࿒܈ဣຕ(TC)ࣷሺٷᅏ ٷݣഗڦሺᅮᅎăփᆩሺᅮۉፆ้Ljሺᅮဃֶࢅሺᅮ ᅎԍፌၭă ႐ࡀࣄۉڦୟӱքਆᅜඟဣཥํ၄ፌߛႠీăٗሺᅮ ยዃۉፆڟRGᆅগڦጽ၍ᆌీ܌Ljᅜ๑सิߌۉፌ ၭăྺକඓԍइڥፌඓڦLjٗREFᆅগᆅڦጽ၍ ᆌথAD8221ڦਆևথںLjස46๖Ljईኁথ AD8221ਆևথڦںएጚۉუă 03149-044 քਆ 44. AD8221-EVAL֫ۥ ࠌఇᅞ AD8221၎ܔᇀೕ୲ਏᆶߛࠌఇᅞԲ(CMRR)Ljኄᅃᆫ ༹၄ሞഄੇ߅ඡ(ස၍ୟሯำतഄၿհ)ႠీԲۆ႙ڦᅏ ٷݣഗ߸ࡻăཚઠຫLjᅏٷݣഗڦCMRRࣷٗ200 Hz ਸ๔ူইLjᅃӯᆩࠌఇ୳հഗઠցኄᅃඍ။ăAD8221 ీࠕሞ߸ٷೕ୲ాྷݔᅞCMRRLjᅺܸইگକ୳ܔհڦ Ⴔ൱ă 03149-045 ଆࡻڦք၍ᆶዺᇀԍAD8221၎ܔᇀೕ୲ࠌߛڦఇᅞ Բăᇸፆੇࢅۉඹᆌړჹ߭ದăُྔLj႑ࡽᇸۉፆ ࢅۉඹᆌሞሎႹాྷݔڦీ੍ৎă 45. AD8221-EVAL֫ڹ Rev. B | Page 17 of 24 AD8221 +VS एጚᆅগ ස42๖LjएጚᆅগREF࿋ᇀᅃ߲10 kΩۉፆڦᅃ܋ăᅏ ٷݣഗڦᅜREFᆅগฉۉڦუྺएጚLjኄሞ႑ ࡽႴᄲೋᅎڟඓڦዐक़ۉᇸۉೝ้ࣷᆶᆩă૩සLj ᅜॽᅃ߲ۉუᇸᇑREFᆅগ၎Ljܔႜۉೝገ࣑Lj ๑AD8221ᅜᇑADCํ၄থ੨ăඹႹڦएጚۉუྷݔᇑ ሺᅮĂࢅۉᇸۉუࡧװຕ࠲ဣăREFᆅগփᆌߛ+VS ई–VS 0.5 Vᅜฉă AD8221 REF –VS TRANSFORMER ྺକइڥፌॅႠీLjREFᆅগᆌԍডڦگᇸፆੇLjᅺྺ सิۉፆࣷ๑CMRRࢅሺᅮࣅܱ܈ă +VS ۉᇸۙኝᇑಖୟ AD8221 ኄᅏٷݣഗᆌ֑ړᆩ࿘ۨڦୁۉუࠃۉăۉᇸᆅগ ฉڦሯำࣷ๑ഗॲႠీܱࣅăᆌړᆩಖୟۉඹઠඁ᳘ă REF ੍ৎ߳ۉᇸᆅগتᆌړದዃᅃ߲0.1 μFۉඹăස46๖Lj ഗॲডᇺڦ࿋ዃᅜᆩᅃ߲10 μF᮳ۉඹăܠٷຕ൧ ူLjഄणۉׯୟᅜࠌၛ᮳ۉඹă –VS THERMOCOUPLE +VS +VS C 0.1μF R fHIGH-PASS = 2π1RC 10μF AD8221 C REF +IN –VS LOAD CAPACITOR COUPLED REF –IN 03149-047 R VOUT AD8221 47. ॺظᅃཉIBIAS ࣮ݓୟ০ –VS 10μF 03149-046 ԍࢺ 0.1μF 46. ۉᇸඁ᳘ĂREFतᅜਆևথྺںएጚ ೋዃ࣮ୁۉୟ AD8221ڦೋዃୁۉՂႷᆶᅃ߲ࠅࠌ࣮ݓڦ܋ୟ০ăړ ඤۉ౾ڪ႑ࡽᇸ݆༵ࠃ࣮ୁۉୟ้LjՂႷॺظᅃཉ࣮ݓ ୟ০Ljස47๖ă AD8221ڦᆶᆅগ༵ࠃ1 kVට༹ఇ႙ESDԍࢺăُྔLj ࠓ୯କۉᇸ−VSᅜူڦୁࡗሜ൧Ǘิ݀ړ ۉᇸࠤቱ้Ljాև400 Ωۉፆᅜ၌ୁۉăփࡗLjܔᇀ ኟۉᇸ+VSᅜฉڦୁࡗሜۉუLjॽୁۉٷথཚࡗESDܾ ट࠶ୁኟࡆăᅺُLjܔᇀ+VSᅜฉۉڦუLjᆌړᆩᅃ߲ ᇑྔڦزևۉፆઠ၌ୁۉăஃనᅃዖ൧Lj AD8221ీҾඇتںჄڦ6 mAୁۉǖܔᇀኟࡗუ൧ LjI = VIN/REXTǗܔᇀࡗუ൧LjI = VIN/(400 Ω + REXT)ă ܔᇀAD8221ࣷᇜڟटࡗ܋ሜۉუڦᆌᆩLj૩ස႐ሤׄأഗ ڪLj ᆌ ړᆩ ྔ և ۉ زፆ ࢅ گႅ ܾ ट ࠶ ഭ ࿋ (ස BAV199LĂFJH1100ईSP720)ă Rev. B | Page 18 of 24 AD8221 RF߅ඡ CDᆖၚֶۯ႑ࡽLjCCᆖၚࠌఇ႑ࡽăᆌړስRࢅCCڦ ኵLj๑พೕ߅ඡፌၭăኟ܋ᇑ܋R × CCڦփದ ࣷইگAD8221ڦCMRRႠీă๑CDڦኵԲCCٷᅃ߲ຕଉ पLjᅜইگփದڦᆖၚLjܸٗ߀Ⴀీă ሞᆶഽRF႑ࡽڦᆌᆩዐ๑ᆩٷݣഗ้Ljᅃӯۼ٪ሞRFኝୁ ࿚༶ăኄዖ߅ඡీࣷ၄ྺডၭڦୁ฿ۙۉუăߛೕ ႑ࡽᅜཚࡗᅏٷݣഗگڦ܋ཚRCྪஏ୳أLjස 48๖ă୳հഗߵᅜူ࠲ဣ๕ܔ႑ࡽेټᅜ၌ ǖ FilterFreqDiff = 1 2πR(2CD + CC ) FilterFreqCM = 1 2πRCC ᆌՎऺ AD8221گڦ฿ۙࢅೕ୲ࠌߛڦాྷݔఇᅞԲ๑ኮྺׯ ൃ๕֪ଉᆌᆩڦਨॅስăස49๖Ljൃۉᅜথ ٷݣഗڦă +5V ഄዐCD ≥ 10CCă 350Ω 350Ω 350Ω 350Ω 0.1μF +IN +15V 0.1μF –IN R +IN 49. ᆌՎऺ 10nF R1 499 Ω ኍܔ+5 VֶݴADCڦ±10 V႑ࡽۙ VOUT AD8221 R ႹܠᆌᆩۼႴᄲܔ±10 V႑ࡽႜۙăڍLjڦৃړႹܠ ADCࢅຕጴIC֑ۼᆩۉუۉڇڦگᇸࠃۉăُྔLjႎ႙ ADCᄺ֑ᆩֶݴLjᅺྺֶݴీ༵ࠃ߸ࡻࠌڦఇᅞ ĂੇሯႠࢅۉگᇸۉუႠీăᅺُLjॽ±10 V܋ڇᅏݣ ٷഗᇑ+5 VֶݴADCথ੨߲ࣷవ༶LjႴᄲႜປ३ࢅۉ ೝገ࣑تă50༵ࠃକᅃዖਦݛӄă REF 4.02kΩ –IN 1nF 10μF 0.1μF –15V 03149-048 CC 48. พೕ߅ඡ(RFI)ᅞ +12V +2.5V +12V 10μF R3 1kΩ 0.1μF +12V 0.1μF C1 470pF 0.1μF +IN AD8022 +5V R6 27.4Ω AD8221 REF –IN R1 10kΩ 10nF –12V –12V R5 499Ω DVDD AD7723 C2 220μF +12V VIN(–) AGND DGND REF1 REF2 0.1μF 0.1μF 0.1μF AVDD 0.1μF OP27 R2 10kΩ +5V (½) VIN(+) 10μF +2.5V 1nF 4.02kΩ CD – R7 27.4Ω –12V R4 1kΩ AD8022 (½) 220nF 0.1μF –12V 10nF +5V +VIN 10μF 0.1μF VOUT AD780 GND 50. ᇑֶݴADCথ੨ Rev. B | Page 19 of 24 2.5V 22μF 03149-050 CC AD8221 R 10μF + 03149-049 10μF AD8221 ሞྊ೫ࠓዐLjOP27ยዃAD8221ڦएጚۉუăᅏݣ ٷഗڦ႑ࡽٗOUTᆅগࢅREFᆅগฉइڥăଇ߲1 kΩ ۉፆࢅᅃ߲499 Ωۉፆᆩઠॽ±10 V႑ࡽປ३+4 Văᅃ߲ ۉڦඹC1ᆩઠ؊୳۠ंੇړհഗăAD8022ᆩઠൻ ۯADCă ডگLjՍ֪ଉডၭڦ႑ࡽăঢ়ࡗ100Ԡڦٷݣୁ฿ۙ ۉუཚࡗओݴഗݒઍྪஏሞAD8221ڦ܋ၩأă ሞگೕ้LjOP1177ࣷ๑AD8221ڦই0 Văᅃڋ႑ࡽೕ ୲ࡗגfHIGH-PASSLjAD8221Սঢ়ࡗڦٷݣ႑ࡽă ُྊ೫ࠓਏᆶٷᆫۅăۉأೝገ࣑ࢅປ३ኮྔLjܔ ဣཥሯำࠋڦ၅ݥၭăઠጲR1ࢅR2ڦሯำຌᇀADCଇୟ ࠌڦఇሯำLjඹᅟԥᅞăR5ڦሯำዷᄲሯำڦ 1/3Ljᅺُܔဣཥሯำڦᆖၚࢮăປ३ഗࣷၭR3ࢅ R4ڦሯำLjᅺُഄሯำᆖၚཞᄣࢮփऺăُথ੨ۉୟ ٷ ຺ ڼ ڦᆫ ۅ AD8221 ֑ ڦण ้ क़ ३ ᅃ Ԡ ă ዺ OP27LjAD8221ኻႴ༵ࠃඇӦڦޗᅃӷLjᅺܸ႑ࡽ ᅜ߸ॺں૬ăፌࢫLjAD8022ॺڦ૬้क़܌Ljኄᅃۅ ᆶᅮLjᅺྺॺ૬้क़ሁ܌LjADC֑णຕ้ీݴՐڦ࿋ຕ ৽ሁܠăኄዖದዃփৈ༵ࠃକປ३Ăۉೝገ࣑Ăᇑֶݴ ADCথ੨ݛՍڦ༬ႠLjཞ้࣏ీԍߛႠీă +VS 0.1μF +IN fHIGH-PASS = R 499Ω 1 2πRC AD8221 REF –IN R 15.8kΩ C 1μF +VS ୁ᳘ࢇᅏٷݣഗ 0.1μF 0.1μF ֪ଉٷݣഗᆆ֠ሞሯำई฿ۙዐڦၭ႑ࡽᅃ߲ă 51๖ۉڦୟᅜ߀ୁၭ႑ࡽݴՐ୲ăডٷሺᅮॽ ٷݣഗڦችࢇሯำই8 nV/√HzăኄᄣLjᅺྺԨڹሯำ –VS OP1177 10μF –VS 10μF 0.1μF –VS 51. ୁ᳘ࢇۉୟ Rev. B | Page 20 of 24 03149-051 +VS AD8221 ྔႚ٫ 3.20 3.00 2.80 8 3.20 3.00 2.80 5.15 4.90 4.65 5 1 4 PIN 1 0.65 BSC 0.95 0.85 0.75 0.15 0.00 1.10 MAX 0.38 0.22 COPLANARITY 0.10 0.80 0.60 0.40 8° 0° 0.23 0.08 SEATING PLANE COMPLIANT TO JEDEC STANDARDS MO-187-AA 52. 8ᆅগגၭ႙ހጎ[MSOP] (RM-8) ๖٫ڇ࿋ǖࡹ 5.00 (0.1968) 4.80 (0.1890) 8 1 5 4 1.27 (0.0500) BSC 0.25 (0.0098) 0.10 (0.0040) COPLANARITY 0.10 SEATING PLANE 6.20 (0.2441) 5.80 (0.2284) 1.75 (0.0688) 1.35 (0.0532) 0.51 (0.0201) 0.31 (0.0122) 0.50 (0.0196) 0.25 (0.0099) 45° 8° 0° 0.25 (0.0098) 0.17 (0.0067) 1.27 (0.0500) 0.40 (0.0157) COMPLIANT TO JEDEC STANDARDS MS-012-A A CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN. 53. 8ᆅগՔጚၭ႙ހጎ[SOIC_N] ༹ (R-8) ๖٫ڇ࿋ǖࡹࢅ(ᆈ٫) Rev. B | Page 21 of 24 012407-A 4.00 (0.1574) 3.80 (0.1497) AD8221 ۩ࠔኸళ ႙ࡽ AD8221AR AD8221AR-REEL AD8221AR-REEL7 AD8221ARZ 2 AD8221ARZ-R72 AD8221ARZ-RL2 AD8221ARM AD8221ARM-REEL AD8221ARM REEL7 AD8221ARMZ2 AD8221ARMZ-R72 AD8221ARMZ-RL2 AD8221BR AD8221BR-REEL AD8221BR-REEL7 AD8221-EVAL 1 2 ۨܮ࿒ྷݔ܈ –40°C+85°C –40°C+85°C –40°C+85°C –40°C+85°C –40°C+85°C –40°C+85°C –40°C+85°C –40°C+85°C –40°C+85°C –40°C+85°C –40°C+85°C –40°C+85°C –40°C+85°C –40°C+85°C –40°C+85°C ߾ፕ1࿒ྷݔ܈ –40°C+125°C –40°C+125°C –40°C+125°C –40°C+125°C –40°C+125°C –40°C+125°C –40°C+125°C –40°C+125°C –40°C+125°C –40°C+125°C –40°C+125°C –40°C+125°C –40°C+125°C –40°C+125°C –40°C+125°C ހጎ௮ຎ 8ᆅগ!SOIC_N 8ᆅগ!SOIC_NLj13"ਝࢅټਝಎ 8ᆅগ!SOIC_NLj7"ਝࢅټਝಎ 8ᆅগ!SOIC_N 8ᆅগ!SOIC_NLj7"ਝࢅټਝಎ 8ᆅগ!SOIC_NLj13"ਝࢅټਝಎ 8ᆅগ!MSOP 8ᆅগ!MSOPLj13"ਝࢅټਝಎ 8ᆅগ!MSOPLj7"ਝࢅټਝಎ 8ᆅগ!MSOP 8ᆅগ!MSOPLj7"ਝࢅټਝಎ 8ᆅগ!MSOPLj13"ਝࢅټਝಎ 8ᆅগ!SOIC_N 8ᆅগ!SOIC_NLj13"ਝࢅټਝಎ 8ᆅগ!SOIC_NLj7"ਝࢅټਝಎ ೠࠚӱ ൩֖ሞ85°C125°C߾ాྷݔፕۆڦ႙߾ፕ༬Ⴀă Z = RoHSग़ඹഗॲLj#๖RoHSग़ඹഗॲׂڦీሞۥևईڹևႜՔ๎ă Rev. B | Page 22 of 24 ހጎၜ R-8 R-8 R-8 R-8 R-8 R-8 RM-8 RM-8 RM-8 RM-8 RM-8 RM-8 R-8 R-8 R-8 Ք๎ JLA JLA JLA JLA# JLA# JLA# AD8221 ጀ Rev. B | Page 23 of 24 AD8221 ጀ ©2003–2007 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D03149–0–9/07(B) Rev. B | Page 24 of 24